// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_CODE_FACTORY_H_
#define V8_CODE_FACTORY_H_

#include "src/allocation.h"
#include "src/callable.h"
#include "src/globals.h"
#include "src/interface-descriptors.h"
#include "src/type-hints.h"

namespace v8 {
namespace internal {

    // For ArrayNoArgumentConstructor and ArraySingleArgumentConstructor.
    enum AllocationSiteOverrideMode {
        DONT_OVERRIDE,
        DISABLE_ALLOCATION_SITES,
    };

    class V8_EXPORT_PRIVATE CodeFactory final {
    public:
        // CEntry has var-args semantics (all the arguments are passed on the
        // stack and the arguments count is passed via register) which currently
        // can't be expressed in CallInterfaceDescriptor. Therefore only the code
        // is exported here.
        static Handle<Code> RuntimeCEntry(Isolate* isolate, int result_size = 1);

        static Handle<Code> CEntry(Isolate* isolate, int result_size = 1,
            SaveFPRegsMode save_doubles = kDontSaveFPRegs,
            ArgvMode argv_mode = kArgvOnStack,
            bool builtin_exit_frame = false);

        // Initial states for ICs.
        static Callable LoadGlobalIC(Isolate* isolate, TypeofMode typeof_mode);
        static Callable LoadGlobalICInOptimizedCode(Isolate* isolate,
            TypeofMode typeof_mode);
        static Callable StoreOwnIC(Isolate* isolate);
        static Callable StoreOwnICInOptimizedCode(Isolate* isolate);

        static Callable KeyedStoreIC_SloppyArguments(Isolate* isolate,
            KeyedAccessStoreMode mode);
        static Callable KeyedStoreIC_Slow(Isolate* isolate,
            KeyedAccessStoreMode mode);
        static Callable StoreInArrayLiteralIC_Slow(Isolate* isolate,
            KeyedAccessStoreMode mode);
        static Callable ElementsTransitionAndStore(Isolate* isolate,
            KeyedAccessStoreMode mode);
        static Callable StoreFastElementIC(Isolate* isolate,
            KeyedAccessStoreMode mode);

        static Callable ResumeGenerator(Isolate* isolate);

        static Callable FrameDropperTrampoline(Isolate* isolate);
        static Callable HandleDebuggerStatement(Isolate* isolate);

        static Callable BinaryOperation(Isolate* isolate, Operation op);

        static Callable ApiGetter(Isolate* isolate);
        static Callable CallApiCallback(Isolate* isolate);

        static Callable NonPrimitiveToPrimitive(
            Isolate* isolate, ToPrimitiveHint hint = ToPrimitiveHint::kDefault);
        static Callable OrdinaryToPrimitive(Isolate* isolate,
            OrdinaryToPrimitiveHint hint);

        static Callable StringAdd(Isolate* isolate,
            StringAddFlags flags = STRING_ADD_CHECK_NONE);

        static Callable FastNewFunctionContext(Isolate* isolate,
            ScopeType scope_type);

        static Callable ArgumentAdaptor(Isolate* isolate);
        static Callable Call(Isolate* isolate,
            ConvertReceiverMode mode = ConvertReceiverMode::kAny);
        static Callable CallWithArrayLike(Isolate* isolate);
        static Callable CallWithSpread(Isolate* isolate);
        static Callable CallFunction(
            Isolate* isolate, ConvertReceiverMode mode = ConvertReceiverMode::kAny);
        static Callable CallVarargs(Isolate* isolate);
        static Callable CallForwardVarargs(Isolate* isolate);
        static Callable CallFunctionForwardVarargs(Isolate* isolate);
        static Callable Construct(Isolate* isolate);
        static Callable ConstructWithSpread(Isolate* isolate);
        static Callable ConstructFunction(Isolate* isolate);
        static Callable ConstructVarargs(Isolate* isolate);
        static Callable ConstructForwardVarargs(Isolate* isolate);
        static Callable ConstructFunctionForwardVarargs(Isolate* isolate);

        static Callable InterpreterPushArgsThenCall(Isolate* isolate,
            ConvertReceiverMode receiver_mode,
            InterpreterPushArgsMode mode);
        static Callable InterpreterPushArgsThenConstruct(
            Isolate* isolate, InterpreterPushArgsMode mode);
        static Callable InterpreterCEntry(Isolate* isolate, int result_size = 1);
        static Callable InterpreterOnStackReplacement(Isolate* isolate);

        static Callable ArrayNoArgumentConstructor(
            Isolate* isolate, ElementsKind kind,
            AllocationSiteOverrideMode override_mode);
        static Callable ArraySingleArgumentConstructor(
            Isolate* isolate, ElementsKind kind,
            AllocationSiteOverrideMode override_mode);
    };

} // namespace internal
} // namespace v8

#endif // V8_CODE_FACTORY_H_
